285649780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13907}}^1$

素因数の和:14008

約数の個数: 48

約数和(自身を含む): 654232320

約数和(自身を除く): 368582540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 13907, 20540, 27814, 55628, 69535, 139070, 180791, 278140, 361582, 723164, 903955, 1098653, 1807910, 2197306, 3615820, 4394612, 5493265, 10986530, 14282489, 21973060, 28564978, 57129956, 71412445, 142824890, 285649780]

約数ペア:

[(1, 285649780), (2, 142824890), (4, 71412445), (5, 57129956), (10, 28564978), (13, 21973060), (20, 14282489), (26, 10986530), (52, 5493265), (65, 4394612), (79, 3615820), (130, 2197306), (158, 1807910), (260, 1098653), (316, 903955), (395, 723164), (790, 361582), (1027, 278140), (1580, 180791), (2054, 139070), (4108, 69535), (5135, 55628), (10270, 27814), (13907, 20540)]